INSAT-1A
E260018
INSAT-1A was the first satellite in India’s INSAT series, designed to provide multipurpose telecommunications, meteorological, and broadcasting services.
All labels observed (1)
| Label | Occurrences |
|---|---|
| INSAT-1A canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2373089 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: INSAT-1A Context triple: [INSAT series, hasMember, INSAT-1A]
-
A.
INSAT series
The INSAT series is a fleet of Indian multipurpose geostationary satellites that provide telecommunications, broadcasting, meteorology, and search-and-rescue services across the Indian subcontinent.
-
B.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
-
C.
GSAT-19
GSAT-19 is an Indian high-throughput communications satellite designed to test next-generation technologies and significantly enhance the country’s data transmission capabilities.
-
D.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
E.
PALAPA B1 communications satellite
PALAPA B1 was an Indonesian communications satellite launched in the early 1980s to expand the country's domestic and regional telecommunications capabilities.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: INSAT-1A Target entity description: INSAT-1A was the first satellite in India’s INSAT series, designed to provide multipurpose telecommunications, meteorological, and broadcasting services.
-
A.
INSAT series
The INSAT series is a fleet of Indian multipurpose geostationary satellites that provide telecommunications, broadcasting, meteorology, and search-and-rescue services across the Indian subcontinent.
-
B.
GSAT-1
GSAT-1 is an Indian communications satellite that served as the inaugural payload for the Geosynchronous Satellite Launch Vehicle (GSLV) program.
-
C.
GSAT-19
GSAT-19 is an Indian high-throughput communications satellite designed to test next-generation technologies and significantly enhance the country’s data transmission capabilities.
-
D.
ANIK C2 communications satellite
ANIK C2 is a Canadian commercial communications satellite used to provide telecommunications and broadcasting services.
-
E.
PALAPA B1 communications satellite
PALAPA B1 was an Indonesian communications satellite launched in the early 1980s to expand the country's domestic and regional telecommunications capabilities.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
artificial satellite
ⓘ
broadcasting satellite ⓘ communications satellite ⓘ meteorological satellite ⓘ |
| countryOfOperator | India ⓘ |
| decommissioned | yes ⓘ |
| endOfMissionYear | 1983 ⓘ |
| enteredServiceYear | 1982 ⓘ |
| experiencedFailure | yes ⓘ |
| failureConsequence |
loss of pointing accuracy
ⓘ
loss of power ⓘ |
| failureType | attitude control system failure ⓘ |
| hasPayload |
C-band transponders
ⓘ
VHRR meteorological imager ⓘ Advanced Very High Resolution Radiometer ⓘ
surface form:
Very High Resolution Radiometer
|
| intendedLongitude | 74 degrees east ⓘ |
| launchContractor | NASA ⓘ |
| launchCountry |
United States of America
ⓘ
surface form:
United States
|
| launchDate | 1982-04-10 ⓘ |
| launchDateYear | 1982 ⓘ |
| launchSite |
Cape Canaveral
ⓘ
Cape Canaveral Space Force Station ⓘ
surface form:
Cape Canaveral Air Force Station
|
| launchVehicle | Delta 3910 ⓘ |
| launchVehicleFamily | Delta 3000 ⓘ |
| manufacturer | Ford Aerospace ⓘ |
| missionPurpose |
cyclone warning services
ⓘ
domestic telecommunications ⓘ meteorological observation over India ⓘ national television distribution ⓘ |
| missionType |
meteorology
ⓘ
radio broadcasting ⓘ telecommunications ⓘ television broadcasting ⓘ |
| notableFor |
first multipurpose geostationary satellite for India
ⓘ
first satellite of the Indian National Satellite System ⓘ |
| operator |
INSAT series
ⓘ
surface form:
Indian National Satellite System
Indian Space Research Organisation ⓘ |
| orbitRegime | geosynchronous ⓘ |
| orbitType | geostationary orbit ⓘ |
| partOfSeries | INSAT series ⓘ |
| positionInSeries | first satellite of INSAT series ⓘ |
| powerType | solar power ⓘ |
| primaryUser |
All India Radio
ⓘ
Department of Space (India) ⓘ
surface form:
Department of Space, India
Doordarshan ⓘ |
| program |
INSAT series
ⓘ
surface form:
Indian National Satellite Programme
|
| replacedBy | INSAT-1B ⓘ |
| spacecraftBus | HS-333 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: INSAT-1A Description of subject: INSAT-1A was the first satellite in India’s INSAT series, designed to provide multipurpose telecommunications, meteorological, and broadcasting services.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.